Sieniczno [ɕɛˈnit͡ʂnɔ] is a village in the administrative district of Gmina Olkusz, within Olkusz County, Lesser Poland Voivodeship, in southern Poland. It lies approximately 5 kilometres (3 mi) south-east of Olkusz and 33 km (21 mi) north-west of the regional capital Kraków.